Home / 904,647.31-1,356,015.73-690,949.84

Finding the Fourth Proportional to 904,647.31, 1,356,015.73 and 690,949.84

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Solution

The fourth proportional to 904,647.31, 1,356,015.73 and 690,949.84 is: 1,035,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,647.31 : 1,356,015.73 = 690,949.84 : x
  2. Step 2: Convert to fraction form
    904,647.31/1,356,015.73 = 690,949.84/x
  3. Step 3: Cross multiply
    904,647.31x = 1,356,015.73 × 690,949.84
  4. Step 4: Simplify right side
    904,647.31x = 936,938,851,680.98
  5. Step 5: Solve for x
    x = 936,938,851,680.98/904,647.31
  6. Step 6: Final answer
    x = 1,035,695.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.